Patents for H02M 3 - Conversion of dc power input into dc power output (54,461) |
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06/17/2004 | DE10255330A1 Verfahren zur Einstellung der Versorungsspannung für eine Verstärkerstufe und Verstärkeranordnung Method for adjusting the supply voltage for an amplifier stage and the amplifier arrangement |
06/17/2004 | DE10242218B3 Verfahren zur Ansteuerung eines Schalters in einem freischwingenden Schaltnetzteil und Ansteuerschaltung für einen Schalter in einem freischwingenden Schaltnetzteil Method for driving a switch in a freely oscillating switching power supply and control circuit for a switch in a freely oscillating switching power supply |
06/16/2004 | EP1429461A1 Switching power supply |
06/16/2004 | EP1429394A2 Photovoltaic power generating apparatus, method of producing the same and photovoltaic power generating system |
06/16/2004 | EP1429221A1 Power supply ic having switching regulator and series regulator |
06/16/2004 | EP1428309A1 Device for measuring a chopped current |
06/16/2004 | EP1428308A2 Control method and apparatus for a flyback converter |
06/16/2004 | EP1243066B1 High-voltage transformer |
06/16/2004 | CN1505776A Electronic dimmable ballast for high intensity discharge lamp |
06/16/2004 | CN1505248A Electric charge pumping circuit having time pulse multiplication and process thereof |
06/16/2004 | CN1505237A Power supply control method, current-to-voltage conversion circuit and electronic apparatus |
06/16/2004 | CN1504852A Stabilized voltage type multichannel pulsewave width modulating converter |
06/16/2004 | CN1504851A Multichannel pulsewave width modulating converter with balanced current |
06/16/2004 | CN1154401C Lighting circuit of discharging lamp |
06/15/2004 | US6751109 Dual input AC/DC/ battery operated power supply |
06/15/2004 | US6751107 DC power supply device with constant power output level |
06/15/2004 | US6750723 Molding, annealing magnetic core of glassy alloy and insulation material; controlling temperature |
06/15/2004 | US6750695 Voltage pump and a level translator circuit |
06/15/2004 | US6750642 Power conserving regulator having intermittently connectable controller |
06/15/2004 | US6750640 Method and apparatus providing final test and trimming for a power supply controller |
06/15/2004 | US6750639 Method and circuit for limiting a pumped voltage |
06/15/2004 | US6750637 Switching power supply |
06/11/2004 | CA2452739A1 Switched-mode power supply |
06/10/2004 | WO2004049548A1 Method of setting bi-directional offset in a pwm controller using a single programming pin |
06/10/2004 | WO2004049296A1 Multi output dc/dc converter for liquid crystal display device |
06/10/2004 | WO2004038900A3 Ac-dc power converter having high input power factor and low harmonic distortion |
06/10/2004 | WO2003028197A3 Split topology power supply architecture |
06/10/2004 | US20040109336 Integrated rectifying element |
06/10/2004 | US20040109335 Synchronous rectifier with burst mode control |
06/10/2004 | US20040109334 Switching power supply |
06/10/2004 | US20040109278 Transformer circuit |
06/10/2004 | US20040108842 Power supply unit |
06/10/2004 | US20040108841 Converter for electronic flashlight |
06/10/2004 | US20040108773 Capacitor and switch components cooperation to maintain input voltage to target circuit at or above cut-off voltage until power circuit is able to maintain the input voltage |
06/09/2004 | EP1427093A1 Multi-output dc-dc converter |
06/09/2004 | EP1427092A1 Method for controlling a switched mode power supply comprising a unique inductor and multiple outputs, switched mode power supply using the same, particularly for a cellular mobile phone |
06/09/2004 | EP1370917A4 Electronic dimmable ballast for high intensity discharge lamp |
06/09/2004 | EP1245073B1 Charge pump system having multiple independently activated charge pumps and corresponding method |
06/09/2004 | EP1169772B1 Power supply unit including an inverter |
06/09/2004 | DE10351033A1 High voltage half bridge gate driver for MOSFET power transistors has soft disconnection protection step and diagnostic feedback using external power supply and control |
06/09/2004 | DE10255433A1 Mobile voltage supply circuit operating method in which the circuit can be operated in energy saving mode, especially for a motor vehicle safety system, whereby in energy saving mode two point regulation is used |
06/09/2004 | DE10255431A1 Limiting switch-on current of DC converter supplied by DC voltage source involves clocking switch before DC converter so that switch-on current is limited to excess current switch-off value |
06/09/2004 | CN2620426Y Double induction dc boost conveying ac circuit |
06/09/2004 | CN1504014A Method and circuit reducing reverse currents in synchronous rectifier converter circuit |
06/09/2004 | CN1504010A Battery-driven electronic device and mobile communication apparatus |
06/09/2004 | CN1503931A Voltage generation circuit |
06/09/2004 | CN1503444A DC boosting conversion circuit |
06/09/2004 | CN1503443A Stabilized DC power supply device |
06/09/2004 | CN1503442A Dc/dc变换器 Dc / dc converter |
06/09/2004 | CN1503441A DC/dc boosting transformer and control method |
06/09/2004 | CN1503440A Voltage step down circuit, power source circuit ands emiconductor integrated circuit |
06/09/2004 | CN1503379A Solar electricity generator and mfg method, solar electricity generation system |
06/09/2004 | CN1503273A Boosting circuit and non-volatile semiconductor storage device containing the same |
06/09/2004 | CN1153445C Switch type power supply |
06/09/2004 | CN1153348C Circuit for controlling a pulse width modulator in a switched-mode power supply |
06/09/2004 | CN1153341C Charging pump circuit for low supply voltage |
06/09/2004 | CN1153230C Non-contact type power transfer device |
06/09/2004 | CA2452648A1 Isolated dc-dc converters |
06/08/2004 | US6747897 Semiconductor charge pump circuit and nonvolatile semiconductor memory device |
06/08/2004 | US6747883 Switching power supply circuit |
06/08/2004 | US6747880 Self-powered synchronous rectifiers |
06/08/2004 | US6747855 Innovative regulation characteristics in multiple supply voltages |
06/08/2004 | US6747444 Off-line converter with digital control |
06/08/2004 | US6747443 Method and apparatus for trimming current limit and frequency to maintain a constant maximum power |
06/08/2004 | US6747442 Multiphase integrated DC-to-DC voltage converter |
06/08/2004 | US6747441 Non-synchronous switching regulator with improved output regulation at light or low loads |
06/08/2004 | US6747440 Voltage regulator circuit for smart card ICs |
06/03/2004 | WO2004047303A1 Protection circuit and method for floating power transfer device |
06/03/2004 | WO2004047296A1 Integrated floating power transfer device with electromagnetic emission control circuit and method |
06/03/2004 | WO2004047295A1 Integrated floating power transfer device with logic level control and method |
06/03/2004 | WO2004047279A1 Dc/ac converter and its controller ic |
06/03/2004 | WO2004047278A1 Synchronous rectification switching power supply |
06/03/2004 | WO2004047277A1 Power converter |
06/03/2004 | WO2004047276A1 Power converter circuitry and method |
06/03/2004 | WO2004047275A1 System and method for providing digital pulse width modulation |
06/03/2004 | WO2004047274A1 Booster circuit |
06/03/2004 | WO2004047272A2 Power converter circuitry and method |
06/03/2004 | WO2004047271A2 Power converter circuitry and method |
06/03/2004 | WO2004047270A2 Power converter circuitry and method |
06/03/2004 | WO2004047268A2 Power converter circuitry and method |
06/03/2004 | WO2004047267A2 Power converter circuitry and method |
06/03/2004 | WO2004047266A2 Digital signal to pulse converter |
06/03/2004 | WO2004047265A2 Power converter circuitry and method |
06/03/2004 | WO2004047264A2 Power converter circuitry and method |
06/03/2004 | WO2004047263A2 Power converter circuitry and method |
06/03/2004 | WO2004047261A2 Power converter circuitry and method |
06/03/2004 | WO2004047260A2 Power converter circuitry and method |
06/03/2004 | WO2004047259A2 Power converter circuitry and method |
06/03/2004 | WO2004047249A2 Control ic for low power auxiliary supplies |
06/03/2004 | WO2004013950A3 Dc/dc down converter |
06/03/2004 | WO2003107506A3 Charger for rechargeable batteries |
06/03/2004 | WO2003034576A3 Method and system for charge pump active gate drive |
06/03/2004 | US20040105288 Power conversion device |
06/03/2004 | US20040105287 Inverter driving device and method |
06/03/2004 | US20040105286 DC/DC bridge control unit for controlling a direct-current load |
06/03/2004 | US20040105285 Power supply control method, current-to-voltage conversion circuit and electronic apparatus |
06/03/2004 | US20040105284 Method and apparatus for current limiting of an output of a DC-to-DC converter |
06/03/2004 | US20040105283 Optimal control of wide conversion ratio switching converters |
06/03/2004 | US20040105282 Power supply with a reduced harmonic load on the mains system , and a corresponding appliance |
06/03/2004 | US20040105281 Power supply and control circuit that adjusts output power based on variable input power and power supply control method for controlling output power based on variable input power |